zfs create -V 40G -b $(getconf PAGESIZE) -o compression=zle \ -o logbias=throughput -o sync=always \ -o primarycache=metadata -o secondarycache=none \ -o com.sun:auto-snapshot=false rpool/swap mkswap /dev/zvol/rpool/swap swapon /dev/zvol/rpool/swap echo "/dev/zvol/rpool/swap none swap sw 0 0" >> /etc/fstab